EngA C-TRAC2 - Page 4

A C-TRAC2.1 MANUAL
IOM-12 March 1999 R1
Discharge Calibration Method 2 ................................................................................................ 16
Discharge Calibration Method 3 ................................................................................................ 16
Discharge Calibration Method 4 ................................................................................................ 16
Room or Return Air Temperature Calibration Methods ................................................................. 16
Room Calibration Method 1 ........................................................................................................ 16
Room Calibration Method 2 ........................................................................................................ 16
Ambient Reset Calibration ................................................................................................................ 16
Suggested Settings Re Hunting Problems ...................................................................................... 17
LOCK-UP – Radio Frequency Interference ...................................................................................... 18
XXI. C-TRAC2.1 SET UP SHEET .................................................................................. 19
XXII. TROUBLE SHOOTING ............................................................................................. I
To Simulate a Full Call for Cooling ..................................................................................................... i
To Simulate a Full Call for Heat ........................................................................................................... i
C-TRAC2.1 Internal Operating Rules .................................................................................................. i
C-TRAC2.1 Set-Point Calculation ........................................................................................................ i
Is the C-TRAC2.1 Properly Configured? ................................................................................................... ii
Does Control Cycle through an Excessive Number of Operating Modes? ............................................. ii
Voltage Noise ....................................................................................................................................... ii
Heating Trouble Shooting ................................................................................................................... ii
Overheating ................................................................................................................................... ii
No Heat .......................................................................................................................................... iii
Discharge Too Cool ..................................................................................................................... iii
Hunting (External Causes) .................................................................................................................... iii
H-TRAC .......................................................................................................................................... iii
G-TRAC, DJM2.1 ........................................................................................................................... iii
DJM2 Slaving From C-TRAC .............................................................................................................. iv
G-TRAC2 ....................................................................................................................................... iv
For Direct C-TRAC Control of the G-TRAC-2 ................................................................................... iv
Sensor Location ........................................................................................................................... iv
Mixed Air Dampers ....................................................................................................................... iv
Possible C-TRAC2.1 Adjustments to Reduce Hunting ............................................................. iv
Economizer Trouble Shooting ............................................................................................................ v
0 to 10 VDC Motors ....................................................................................................................... v
Motors wired to R, B, and W terminals ........................................................................................ v
Economizer Not Opening ............................................................................................................. v
Minimum Position is Open Too Much ........................................................................................ vi
Mechanical Cooling Trouble Shooting ............................................................................................. vi
Cooling Not Running ................................................................................................................... vi